Frost Dates for Oregon, WI 53575
Last spring frost May 2 · First fall frost October 2 · 153 frost-free days · USDA Zone 5a
ZIP 53575 has about 18,200 people.
Moderate season: 153 frost-free days. Spring frost risk spans April 19–May 20 (31 days). Fall frost risk spans September 18–October 17 (29 days).
Frost probability for 53575
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 20 | May 2 | April 19 |
| Fall (first frost) | September 18 | October 2 | October 17 |
Dates come from NOAA 1971–2000 freeze probabilities at CHARMANY FARM (16.2 km away); the 50% date is the median year.
Which crops fit a 153-day season in Oregon
In Oregon (153 frost-free days, a moderate season), 32 of 56 planner crops fit outright, 23 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Mar 28 | May 16–May 23 | 111 | fits: 80 days to maturity, 111 available after May 16. | Jun 2 |
| Pepper | Mar 21 | May 16–May 23 | 111 | fits: 75 days to maturity, 111 available after May 16. | Jun 7 |
| Lettuce | Mar 7 | Apr 4–Apr 11 | 188 | two-plantings: Plant Apr 4 and again by Aug 11; both mature before Oct 9. | Aug 11 |
| Carrots | — | Apr 11–Apr 18 | 195 | fits: 70 days to maturity, 195 available after Apr 11. | Jul 31 |
| Cucumber | Apr 11 | May 16–May 23 | 125 | fits: 60 days to maturity, 125 available after May 16. | Jul 6 |
| Beans | — | May 9–May 23 | 139 | two-plantings: Plant May 9 and again by Jul 13; both mature before Sep 25. | Jul 13 |
| Peas | — | Mar 7–May 16 | 216 | fits: 65 days to maturity, 216 available after Mar 7. | Jul 22 |
| Zucchini | Apr 18 | May 16–May 23 | 125 | two-plantings: Plant May 16 and again by Jul 11; both mature before Sep 18. | Jul 11 |
| Onion | Feb 7 | Apr 4–Apr 18 | 188 | fits: 100 days to maturity, 188 available after Apr 4. | — |
| Spinach | — | Mar 7–Apr 25 | 230 | two-plantings: Plant Mar 7 and again by Aug 30; both mature before Oct 23. | Aug 30 |
| Kale | Feb 21 | Apr 4–Apr 18 | 202 | two-plantings: Plant Apr 4 and again by Aug 15; both mature before Oct 23. | Aug 15 |
| Broccoli | Mar 7 | Apr 4–Apr 18 | 188 | fits: 80 days to maturity, 188 available after Apr 4. | Jul 7 |
| Cabbage | Mar 7 | Apr 4–Apr 18 | 202 | fits: 70 days to maturity, 202 available after Apr 4. | Jul 31 |
| Radish | — | Mar 7–May 30 | 216 | two-plantings: Plant Mar 7 and again by Aug 31; both mature before Oct 9. | Aug 31 |
| Beets | — | Mar 7–May 30 | 216 | two-plantings: Plant Mar 7 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Potatoes | — | Apr 18–Apr 25 | 174 | fits: 90 days to maturity, 174 available after Apr 18. | — |
| Garlic | — | Oct 2 | 258 | overwinter: Plant Oct 2 to Oct 23; harvest the following summer. | Oct 23 |
| Strawberry | — | Mar 28–May 23 | 209 | perennial: A perennial: plant Mar 28; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 4 | May 9–May 16 | 125 | fits: 75 days to maturity, 125 available after May 9. | Jun 14 |
| Pumpkin | Apr 18 | May 16–May 16 | 118 | fits: 100 days to maturity, 118 available after May 16. | May 20 |
| Cauliflower | Mar 21 | Apr 25–May 9 | 167 | fits: 75 days to maturity, 167 available after Apr 25. | Jul 12 |
| Swiss Chard | Mar 7 | Apr 18–Apr 18 | 174 | two-plantings: Plant Apr 18 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Arugula | — | Mar 7–May 30 | 230 | two-plantings: Plant Mar 7 and again by Aug 30; both mature before Oct 23. | Aug 30 |
| Brussel Sprouts | Mar 7 | Apr 4–Apr 18 | 202 | fits: 100 days to maturity, 202 available after Apr 4. | Jul 1 |
| Butternut Squash | Apr 18 | May 16–May 23 | 118 | fits: 100 days to maturity, 118 available after May 16. | May 20 |
| Eggplant | Mar 14 | May 16–May 23 | 111 | fits: 70 days to maturity, 111 available after May 16. | Jun 12 |
| Okra | Apr 4 | May 9–May 16 | 132 | two-plantings: Plant May 9 and again by Jul 11; both mature before Sep 18. | Jul 11 |
| Basil | Mar 28 | May 23–May 23 | 118 | fits: 60 days to maturity, 118 available after May 23. | Jul 6 |
| Cilantro | — | Apr 4–Apr 25 | 188 | two-plantings: Plant Apr 4 and again by Aug 6; both mature before Oct 9. | Aug 6 |
| Parsley | Feb 21 | May 9–May 16 | 153 | fits: 70 days to maturity, 153 available after May 9. | Jul 17 |
| Celery | Feb 21 | May 9–May 23 | 153 | fits: 120 days to maturity, 153 available after May 9. | May 28 |
| Scallions | Feb 21 | Apr 4–Apr 18 | 202 | two-plantings: Plant Apr 4 and again by Aug 10; both mature before Oct 23. | Aug 10 |
| Turnip | — | Apr 4–Apr 18 | 202 | two-plantings: Plant Apr 4 and again by Aug 20; both mature before Oct 23. | Aug 20 |
| Kohlrabi | — | Mar 21–Apr 4 | 216 | two-plantings: Plant Mar 21 and again by Aug 15; both mature before Oct 23. | Aug 15 |
| Bok Choy | Apr 4 | Apr 25–May 2 | 167 | two-plantings: Plant Apr 25 and again by Aug 11; both mature before Oct 9. | Aug 11 |
| Collards | Feb 21 | Apr 4–Apr 18 | 202 | two-plantings: Plant Apr 4 and again by Aug 10; both mature before Oct 23. | Aug 10 |
| Cantaloupe | Apr 18 | May 16–May 23 | 111 | fits: 85 days to maturity, 111 available after May 16. | May 28 |
| Chives | Feb 7 | May 9–May 16 | 167 | fits: 90 days to maturity, 167 available after May 9. | — |
| Dill | — | Mar 7–May 30 | 216 | two-plantings: Plant Mar 7 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Oregano | Feb 21 | May 9–May 16 | 167 | fits: 80 days to maturity, 167 available after May 9. | — |
| Rosemary | Feb 7 | May 9–May 16 | 153 | fits: 80 days to maturity, 153 available after May 9. | — |
| Sage | Mar 7 | May 9–May 16 | 167 | fits: 75 days to maturity, 167 available after May 9. | — |
| Thyme | Feb 21 | May 9–May 16 | 167 | fits: 90 days to maturity, 167 available after May 9. | — |
| Calendula | Mar 21 | Apr 18–May 2 | 174 | two-plantings: Plant Apr 18 and again by Aug 6; both mature before Oct 9. | Aug 6 |
| Cosmos | Apr 4 | May 2–May 16 | 139 | two-plantings: Plant May 2 and again by Jul 6; both mature before Sep 18. | Jul 6 |
| Lavender | Feb 7 | May 2–May 16 | 174 | fits: 90 days to maturity, 174 available after May 2. | — |
| Marigolds | Mar 21 | May 2–May 9 | 139 | two-plantings: Plant May 2 and again by Jul 16; both mature before Sep 18. | Jul 16 |
| Melons | Apr 18 | May 16–May 23 | 111 | fits: 85 days to maturity, 111 available after May 16. | May 28 |
| Mint | — | May 2–May 16 | 174 | fits: 90 days to maturity, 174 available after May 2. | — |
| Nasturtiums | Apr 4 | May 2–May 9 | 139 | two-plantings: Plant May 2 and again by Jul 11; both mature before Sep 18. | Jul 11 |
| Pole Beans | — | May 9–May 23 | 132 | fits: 65 days to maturity, 132 available after May 9. | Jul 1 |
| Spaghetti Squash | Apr 18 | May 16–May 23 | 118 | fits: 90 days to maturity, 118 available after May 16. | May 30 |
| Sunflowers | — | May 2–May 16 | 139 | fits: 70 days to maturity, 139 available after May 2. | Jun 26 |
| Tomatillos | Mar 7 | May 9–May 16 | 118 | fits: 75 days to maturity, 118 available after May 9. | Jun 7 |
| Watermelon | Apr 18 | May 9–May 16 | 118 | fits: 80 days to maturity, 118 available after May 9. | Jun 2 |
| Yellow Squash | Apr 18 | May 16–May 23 | 125 | two-plantings: Plant May 16 and again by Jul 11; both mature before Sep 18. | Jul 11 |
| Zinnias | Apr 4 | May 2–May 16 | 139 | two-plantings: Plant May 2 and again by Jul 6; both mature before Sep 18. | Jul 6 |
Month by month in Oregon
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 7), Lavender (Feb 7), Onion (Feb 7), Rosemary (Feb 7), Celery (Feb 21), Collards (Feb 21), +5 more. |
| March | Start indoors: Broccoli (Mar 7), Brussel Sprouts (Mar 7), Cabbage (Mar 7), Lettuce (Mar 7), Sage (Mar 7), Swiss Chard (Mar 7), +8 more. Direct sow from: Arugula (Mar 7), Beets (Mar 7), Dill (Mar 7), Peas (Mar 7), Radish (Mar 7), Spinach (Mar 7), +1 more. Plant: Strawberry (Mar 28). |
| April | Start indoors: Bok Choy (Apr 4), Corn (Apr 4), Cosmos (Apr 4), Nasturtiums (Apr 4), Okra (Apr 4), Zinnias (Apr 4), +9 more. Direct sow from: Cilantro (Apr 4), Turnip (Apr 4), Carrots (Apr 11), Potatoes (Apr 18). Transplant from: Broccoli (Apr 4), Brussel Sprouts (Apr 4), Cabbage (Apr 4), Collards (Apr 4), Kale (Apr 4), Lettuce (Apr 4), +6 more. |
| May | Direct sow from: Sunflowers (May 2), Beans (May 9), Pole Beans (May 9). Transplant from: Cosmos (May 2), Lavender (May 2), Marigolds (May 2), Mint (May 2), Nasturtiums (May 2), Zinnias (May 2), +23 more. Last frost around May 2. Last sowing dates: Butternut Squash (May 20), Pumpkin (May 20), Cantaloupe (May 28), Celery (May 28), Melons (May 28), Spaghetti Squash (May 30). |
| June | Last sowing dates: Tomato (Jun 2), Watermelon (Jun 2), Pepper (Jun 7), Tomatillos (Jun 7), Eggplant (Jun 12), Corn (Jun 14), +1 more. |
| July | Last sowing dates: Brussel Sprouts (Jul 1), Pole Beans (Jul 1), Basil (Jul 6), Cosmos (Jul 6), Cucumber (Jul 6), Zinnias (Jul 6), +12 more. |
| August | Last sowing dates: Beets (Aug 1), Dill (Aug 1), Swiss Chard (Aug 1), Calendula (Aug 6), Cilantro (Aug 6), Collards (Aug 10), +9 more. |
| September | First fall frost approaching (around October 2). Transplant fall brassicas. Sow spinach, arugula, and radishes. |
| October | Direct sow from: Garlic (Oct 2). First frost around October 2. Last sowing dates: Garlic (Oct 23). |
| November | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
| December | Clean up spent plants. Add compost to beds. Rest, review, and plan next year's garden. |
Frequently Asked Questions
What is the last frost date for Oregon, WI (ZIP 53575)?
The median last spring frost date for Oregon, WI (ZIP code 53575) is around May 2. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before April 19; one in ten it runs past May 20.
What is the first fall frost date in Oregon, WI?
The median first fall frost date for Oregon, WI is around October 2. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around September 18 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Oregon, WI?
The frost-free growing season in Oregon is about 153 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Oregon (153 frost-free days, a moderate season), 32 of 56 planner crops fit outright, 23 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Oregon, WI?
Oregon, WI is in USDA hardiness zone 5a (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.
When should I start tomatoes indoors in Oregon, WI?
Start tomatoes indoors Mar 28 and plant out May 16 in Oregon. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Oregon?
Two: plant Apr 4 and again by Aug 11; both mature before Oct 9.
When do I plant garlic in Oregon?
Oct 2 to Oct 23; it overwinters and is ready the following summer.
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